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WO2007060572A3 - Reconstruction d'objets a contraste eleve par tomodensitometrie a compensation de mouvement - Google Patents

Reconstruction d'objets a contraste eleve par tomodensitometrie a compensation de mouvement Download PDF

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Publication number
WO2007060572A3
WO2007060572A3 PCT/IB2006/054232 IB2006054232W WO2007060572A3 WO 2007060572 A3 WO2007060572 A3 WO 2007060572A3 IB 2006054232 W IB2006054232 W IB 2006054232W WO 2007060572 A3 WO2007060572 A3 WO 2007060572A3
Authority
WO
WIPO (PCT)
Prior art keywords
high contrast
reconstruction
motion compensated
contrast objects
contrast object
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2006/054232
Other languages
English (en)
Other versions
WO2007060572A2 (fr
Inventor
Michael Grass
Dirk Schaefer
Stevendaal Udo Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Intellectual Property and Standards GmbH
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Intellectual Property and Standards GmbH, Koninklijke Philips Electronics NV filed Critical Philips Intellectual Property and Standards GmbH
Priority to EP06831881A priority Critical patent/EP1958155A2/fr
Priority to CN200680043684.7A priority patent/CN101313334B/zh
Priority to JP2008541858A priority patent/JP5362361B2/ja
Priority to US12/093,458 priority patent/US8184883B2/en
Publication of WO2007060572A2 publication Critical patent/WO2007060572A2/fr
Publication of WO2007060572A3 publication Critical patent/WO2007060572A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/12—Arrangements for detecting or locating foreign bodies
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30048—Heart; Cardiac
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Algebra (AREA)
  • Pulmonology (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention vise à dépasser les limites actuelles en résolution temporelle et spatiale de l'imagerie cardiaque par tomodensitométrie utilisant la reconstruction à créneau. Selon un mode de réalisation représentatif de la présente invention, on met à disposition un appareil d'examen dans lequel une identification d'un objet à contraste élevé est effectuée. Ledit objet à contraste élevé est alors suivi à travers les phases, donnant un champ de vecteurs de mouvement de l'objet à contraste élevé, sur la base duquel une reconstruction à compensation de mouvement est alors effectuée.
PCT/IB2006/054232 2005-11-24 2006-11-14 Reconstruction d'objets a contraste eleve par tomodensitometrie a compensation de mouvement Ceased WO2007060572A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP06831881A EP1958155A2 (fr) 2005-11-24 2006-11-14 Reconstruction d'objets a contraste eleve par tomodensitometrie a compensation de mouvement
CN200680043684.7A CN101313334B (zh) 2005-11-24 2006-11-14 高对比度对象的运动补偿ct重建
JP2008541858A JP5362361B2 (ja) 2005-11-24 2006-11-14 高コントラスト対象の動き補償ｃｔ再構成
US12/093,458 US8184883B2 (en) 2005-11-24 2006-11-14 Motion compensated CT reconstruction of high contrast objects

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05111216.7 2005-11-24
EP05111216 2005-11-24

Publications (2)

Publication Number Publication Date
WO2007060572A2 WO2007060572A2 (fr) 2007-05-31
WO2007060572A3 true WO2007060572A3 (fr) 2007-10-25

Family

ID=37836600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/054232 Ceased WO2007060572A2 (fr) 2005-11-24 2006-11-14 Reconstruction d'objets a contraste eleve par tomodensitometrie a compensation de mouvement

Country Status (5)

Country Link
US (1) US8184883B2 (fr)
EP (1) EP1958155A2 (fr)
JP (1) JP5362361B2 (fr)
CN (1) CN101313334B (fr)
WO (1) WO2007060572A2 (fr)

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Also Published As

Publication number Publication date
EP1958155A2 (fr) 2008-08-20
US20090141935A1 (en) 2009-06-04
CN101313334A (zh) 2008-11-26
US8184883B2 (en) 2012-05-22
CN101313334B (zh) 2011-05-25
JP2009517113A (ja) 2009-04-30
JP5362361B2 (ja) 2013-12-11
WO2007060572A2 (fr) 2007-05-31

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